CN104283262A - High-power wireless charging method and device based on electric field coupling - Google Patents
High-power wireless charging method and device based on electric field coupling Download PDFInfo
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Abstract
The invention discloses a high-power wireless charging method and device based on electric field coupling. Two output connection ends of the charging device are connected with a charging line of a charged device in an electric field coupling mode, one counter electrode of each capacitor is arranged on the charged device, the other counter electrode of each capacitor is arranged on a charging device, a wireless communication and location awareness system is installed between the charged device and the charging device for searching respective positions, detecting parameters and charging device line parameters are transmitted, the charging device is automatically aligned and connected with a charged system after the charged device gives out a charging request, then AC-AC conversion is carried out on commercial power under control of an inversion controller to obtain the intermediate frequency alternating current with the appropriate frequency, energy is coupled to the charged device in the electric field coupling mode, and the alternating current is rectified by the charged device into the direct current again to charge a storage battery. According to the high-power wireless charging method and device, as electric field coupling is achieved, electromagnetic radiation does not exist, and the safety performance is good.
Description
Technical field
The invention belongs to the charging field of high power transmission, be specifically related to a kind of high-power wireless charging method based on field coupled and device.
Background technology
High-power charging is applied to all conglomeraties, and more next apply more and more wider.Such as, along with socioeconomic fast development, municipal pollution is more and more serious, and for reducing the greenhouse gas emission in city, new forms of energy vehicle and recoverable amount sharply increase.
In existing high-power charging technique, conventional method comprises and uses speed to change storage battery, by charging pile charging, the mode such as commercial power charged, has great constraint with upper type for the application development of the charging devices such as pure electric vehicle.Such as, time electric automobile carries out charging, must possess power interface and charging wire, electric automobile always this tail of charging wire in tow, brings very large inconvenience to charging electric vehicle, the development of restriction electric motor car very large to a certain extent; Charging device socket, because plugging frequently, damages very fast, if safeguard not in time, even also can cause the injures and deaths of personnel; The impact of exposed connection-peg also climate, environment, the connection-peg of outdoor charging device may get wet at rainstorm weather, causes short circuit.So, urgently occur that a kind of parking can be charged at once, and safe and reliable charging technique.
In recent years, in order to solve the safety problem of high-power charging and convenient problem, attempt multiple method, wherein wireless charging technology one of research emphasis becoming charging technique gradually.Wireless charging technology realizes mainly through electromagnetic induction principle, radio wave principle and electromagentic resonance principle three kinds of modes.Wherein radio wave can only be used for low power wireless charging.
BYD company, adopts electromagnetic induction technology to attempt the high-power charging of electric automobile.But this technology is still confined to the scope energy of traditional transformer Energy Coupling, transformer core is divided into two parts nothing but, during work still as traditional transformer, the coil heaviness of coiling is expensive again, if charging device and by form between charging device transformer coil distance near not, electromagnetic radiation is very strong, has injury to neighbouring human body.
Prior art best is at present electromagentic resonance technology, but its shortcoming is also clearly, comprises that operating frequency is high, emission inductance is large, technical requirement is high, cost of manufacture is high, practicality is relatively poor, makes difficulty, radiation is large, energy transmission efficiency is low.Current state-of-the-art wireless power transmission technology, can carry out remote delivery of electrical energy about 2 meters, can be used for small-power Energy Transfer, but really cannot realize the object of wireless charging.Although mandate aspect patent ZL 201210064442.3 proposes a kind of high-power wireless charging scheme of multikilowatt, but the cooling problem of coil, if implement multiple target charging simultaneously, ability is revealed the problems such as the fail safe of other equipment neighbouring and human body with charging device and is not still settled properly, and do not implemented, therefore, realize adding powerful transmission, need science and technology and further develop.
In addition, also having that many these devices have done many improvement in structure etc. about wireless charging device report, charging more easily to obtaining.Such as, granted patent ZL 201210279907.7 imbeds induction coil on highway, and when automobile is through out-of-date, induction coil through out-of-date, sends induced field at pressure sensor senses automobile, and automobile is just travelled, and charges in limit.On the one hand, all highways are imbedded charge coil itself unrealistic, not only cost is high, and is difficult to transmitting coil just right due to induction coil, and efficiency is very low.On the other hand, safety is also a large hidden danger, is difficult to safeguard.
In sum, although current existing many wireless charging Patents, still do not have safe and reliable, easily high-power charging method obtain good enforcement.
Summary of the invention
The object of the invention is to, for safety, convenient high-power charging problems, provide a kind of high-power wireless charging method based on field coupled and device.
For achieving the above object, the present invention adopts following technical scheme:
Based on a high-power wireless charging device for field coupled, comprise the first rectifier bridge and the second rectifier bridge; Wherein,
Two of first rectifier bridge exchange end and are connected to utility grid, two DC terminal of the first rectifier bridge are connected to the first filter capacitor in parallel and the two ends of inverter by resistance, and two outputs of inverter connect the first charging device pole plate and the second charging device pole plate of charging device respectively;
Two DC terminal of the second rectifier bridge are connected to the second filter capacitor in parallel and the two ends of storage battery, two of the second rectifier bridge exchange end connect respectively by first of charging device by charging device pole plate and second by charging device pole plate;
First charging device pole plate, the second charging device pole plate, first by charging device pole plate and second, charging device pole plate are all overlapped insulating sleeve, during use, first charging device pole plate and first is be arranged in parallel by charging device pole plate, and the second charging device pole plate and second is be arranged in parallel by charging device pole plate.
The present invention further improves and is: the voltage of utility grid is three-phase electricity 380V or two-phase electricity 220V.
The present invention further improves and is: the first filter capacitor adopts single parallel plate capacitor or fork-shaped electrode capacitance.
The present invention further improves and is: the second filter capacitor adopts single parallel plate capacitor or fork-shaped electrode capacitance.
The present invention further improves and is: also comprise relay in parallel with a resistor.
The present invention further improves and is: also comprise transmission of wireless signals and position sensor, miniature location mobile device and controller thereof in charging device, wherein, miniature location mobile device is connected with the second charging device pole plate with the first charging device pole plate on charging device respectively, and for adjusting the position of two pole plates, transmission of wireless signals and position sensor are arranged on the centre of two pole plates, also electric current is comprised by charging device, voltage and power testing system, transmission of wireless signals and location aware system and charging instruction switch, electric current, voltage and power testing system are used for obtaining by the electric current of charging device, voltage and electricity, transmission of wireless signals and location aware system to be arranged on by first on charging device by charging device pole plate and second by the centre of charging device pole plate, charging device with by the wireless signal transmission system on charging device be used for by obtain by electric current on charging device, voltage and information about power send to charging device, so that charging device carries out FEEDBACK CONTROL, ensure the safety of charging process, location aware system is used for perception charging device and by the position between charging device top crown, as the feedback signal of miniature location mobile device control system, to control the motion of miniature location mobile device.
The present invention further improves and is: transmission of wireless signals and location aware system adopt ultrasonic wave mode, optical mode or radio wave mode to communicate.
The present invention further improves and is: also comprised miniature location mobile device and controller thereof by charging device, for adjusting by the position of two pole plates in charging device.
Based on a high-power wireless charging method for field coupled, comprise following step:
1) charging device Real-Time Monitoring is by the instruction of charging device, if receive charging instruction, then continue to receive by the technical parameter of charging device, comprise and allow voltage range, permission current range, rated voltage, rated current, operating temperature range and actual temperature, if in actual temperature in operating temperature range, then the first charging device pole plate of charging device and the second charging device pole plate are docked by charging device pole plate by charging device pole plate and second respectively with by first of charging device, inverter reverse frequency is adjusted to minimum, and starts charging;
2) receive by the actual measurement parameter in charging device, comprise electric current, voltage, if charging voltage is too low, lower than the minimum value of charging device output voltage, then close inverter, and point out charging device fault, the pole plate comprising charging device with by the pole plate of charging device not to good, connection-peg does not have grafting good, and short circuit appears in the charging circuit of charging device, or input voltage is too low; If voltage is in normal range (NR), then enter step 3);
3) judge that whether charging current is too high, if too high, namely higher than rated current, then close inverter, and prompting is by charging device fault, or be there occurs short circuit by the charging circuit in charging device; Otherwise, enter step 4);
4) judge that whether charging voltage is on the low side, whether charging current is higher, if both under rated value, then improves reverse frequency, until one of them reaches rated value, ensures that another is in allowed band simultaneously, otherwise, reduce reverse frequency;
5) whether monitoring receives out code, and whether storage battery charges full, as long as meet one, closes inverter, shrinks miniature location mobile device, remove the first charging device pole plate and the second charging device pole plate of charging device, and extract connection-peg.
The present invention further improves and is: in the process of charging, and inverter carries out work under the control of inverter controller, and specifically, inverter controller carrys out control inverter according to being beamed back the battery tension, actual charging voltage and the electric current that come by charging device.
Compared with prior art, the present invention has following technique effect:
Compare relative to the wireless charging method such as electromagnetic coupled, magnetic resonance adopted at present, owing to being field coupled, therefore there is not electromagnetic radiation in the present invention, fail safe is good;
Wireless charging method based on field coupled does not have coil, and the heat self produced is few, and efficiency of transmission is high, and is not needed heat abstractor by charging device, and structure is simple, and volume is little;
Further, because only being needed two plate electrodes by charging device, a rectifier circuit, voltage, current sensing means, and wireless communication apparatus, very easily install on the chassis of electric motor car, therefore the present invention is easy to carry out repacking realization to existing electric motor car.
Accompanying drawing explanation
Fig. 1 (a) is the structural representation of single parallel plate capacitor, and Fig. 1 (b) is the structural representation of fork-shaped electrode capacitance;
Fig. 2 is the structural representation of the high-power wireless charging device that the present invention is based on field coupled;
In figure: 1 is inverter, 2 is the first charging device pole plate, and 3 is the second charging device pole plate, and 4 is first by charging device pole plate, and 5 is second by charging device pole plate, and 6 is insulating sleeve;
V
1for utility grid, T
1be the first rectifier bridge, C
1be the first filter capacitor, V
2for storage battery, T
2be the second rectifier bridge, C
2be the second filter capacitor, R
1for resistance, K
1for relay;
Fig. 3 is the workflow diagram of the high-power wireless charging method that the present invention is based on field coupled.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
See Fig. 2, a kind of high-power wireless charging device based on field coupled of the present invention, comprises the first rectifier bridge T
1with the second rectifier bridge T
2; Wherein, the first rectifier bridge T
1two exchange ends be connected to utility grid V
1, the first rectifier bridge T
1two DC terminal by resistance R in parallel
1and relay K
1be connected to the first filter capacitor C in parallel
1with the two ends of inverter 1, two outputs of inverter 1 connect the first charging device pole plate 2 and the second charging device pole plate 3 of charging device respectively;
Second rectifier bridge T
2two DC terminal be connected to the second in parallel filter capacitor C
2with storage battery V
2two ends, the second rectifier bridge T
2two exchange end connect respectively by first of charging device by charging device pole plate 4 and second by charging device pole plate 5;
First charging device pole plate 2, second charging device pole plate 3, first by charging device pole plate 4 and second by charging device pole plate 5 all cover have insulating sleeve 6, during use, first charging device pole plate 2 and first is be arranged in parallel by charging device pole plate 4, and the second charging device pole plate 3 and second is be arranged in parallel by charging device pole plate 5.
Further, utility grid V
1voltage be three-phase electricity 380V or two-phase electricity 220V.
See Fig. 1, wherein, the first filter capacitor C
1adopt single parallel plate capacitor or fork-shaped electrode capacitance; Second filter capacitor C
2adopt single parallel plate capacitor or fork-shaped electrode capacitance.
Further, transmission of wireless signals and position sensor, miniature location mobile device and controller thereof is also comprised in charging device, wherein, miniature location mobile device is connected with the second charging device pole plate 3 with the first charging device pole plate 2 on charging device respectively, for adjusting the position of two pole plates, make them and amassed maximum by the right opposite of the pole plate on charging device, distance is near, transmission of wireless signals and position sensor are arranged on the centre of two pole plates, to make full use of space, also electric current is comprised by charging device, voltage and power testing system, transmission of wireless signals and location aware system and charging instruction switch, electric current, voltage and power testing system are used for obtaining by the electric current of charging device, voltage and electricity, transmission of wireless signals and location aware system to be arranged on by first on charging device by charging device pole plate 4 and second by the centre of charging device pole plate 5, charging device with by the wireless signal transmission system on charging device be used for by obtain by electric current on charging device, voltage and information about power send to charging device, so that charging device carries out FEEDBACK CONTROL, ensure the safety of charging process, location aware system is used for perception charging device and by the position between charging device top crown, as the feedback signal of miniature location mobile device control system, to control the motion of miniature location mobile device.
Wherein, transmission of wireless signals and location aware system adopt ultrasonic wave mode, optical mode or radio wave mode to communicate, in order to detect two pole plates in charging device with by the two pieces pole plate position each other in charging device, the detected parameters such as device parameter, real work electric current, real work voltage, actual work temperature, actual electricity such as transmission rated voltage, rated current, voltage range, current range, operating temperature range and charging, out code.
See Fig. 3, the charging method of a kind of high-power wireless charging device based on field coupled of the present invention, comprises following step:
1) charging device Real-Time Monitoring is by the instruction of charging device, if receive charging instruction, then continue to receive by the technical parameter of charging device, comprise and allow voltage range, permission current range, rated voltage, rated current, operating temperature range, actual temperature, if in actual temperature in operating temperature range, then the first charging device pole plate 2 of charging device and the second charging device pole plate 3 are docked by charging device pole plate 5 by charging device pole plate 4 and second respectively with by first of charging device, inverter reverse frequency is adjusted to minimum, and starts charging;
2) receive by the actual measurement parameter in charging device, comprise electric current, voltage, if charging voltage is too low, lower than the minimum value of charging device output voltage, then close inverter 1, and point out charging device fault, may be that battery lead plate is not to good, or connection-peg does not have grafting good, may be also that short circuit appears in the charging circuit of charging device, or input voltage be too low; If voltage is in normal range (NR), then enter step 3);
3) judge that whether charging current is too high, if too high, higher than rated current, then close inverter 1, and prompting is by charging device fault, or is there occurs short circuit by the charging circuit in charging device; Otherwise, enter step 4);
4) judge that whether charging voltage is on the low side, whether charging current is higher, if both under rated value, then improves reverse frequency, until one of them reaches rated value, ensures that another is in allowed band simultaneously, otherwise, reduce reverse frequency;
5) whether monitoring receives out code, and whether storage battery charges full, as long as meet one, closes inverter 1, shrinks miniature location mobile device, remove the first charging device pole plate 2 and the second charging device pole plate 3 of charging device, and extract connection-peg.
In order to understand further the present invention, now it is described in further details in conjunction with the embodiments.
See Fig. 2, charging device of the present invention and be there are two terminals between charging device charging circuit, two terminals are all connected by capacitive field coupling, by each between charging device and charging device, a radio communication and location detection system are installed, to search respective position, the parameter of transmission equipment parameter and Real-Time Monitoring, charging device is after being sent charge request by charging device, aim at voluntarily with by charging system, then under the control of inverter controller, commercial power is converted to medium frequency alternating current by AC-AC, with the form of field coupled by Energy Coupling to by charging device, again AC rectification is become direct current by charging device, charge a battery, and it is full in charging, unusual circumstance, or after receiving out code, automatic charge closing circuit, and withdraw charging pole plate.
In addition, charging device and had a communicating wireless signals and location detection system between charging device, this radio communication and location detection system can be ultrasonic wave modes, also can be optical mode, can also be that radio wave mode communicates, in order to detection position each other, the detected parameters such as device parameter, real work electric current, real work voltage, actual work temperature, actual electricity such as transmission rated voltage, rated current, voltage range, current range, operating temperature range and charging, out code.
One pole of each electric capacity is connected with by charging device, another pole is connected with charging device, each electrode can be single parallel-plate, also can be the fork-shaped electrode of many parallel-plates composition, pole plate insulating material on charging device seals, be connected with inverter by lead-in wire, by the pole plate on charging device by insulating material with isolated by charging device main body, only be connected with by the rectifying device on charging device, pole plate on charging device and connection-peg are mobilizable, be arranged on one can move horizontally, on device flexible up and down, receiving after by the charging instruction on charging device, this device is aimed at by the pole plate of charging device automatically, battery lead plate is pressed close in automatic stretching, extension, and after receiving out code, find that charging is full, or find that there is abnormal conditions, retracted downward, remove out battery lead plate.
AC rectification, in utility grid, is become direct current by rectifier bridge by the energy source of charging device, then under the control of inverter controller, is reverse into voltage of intermediate frequency, and by field coupled to by charging device; Had rectifying device by charging device, by being coupled, the alternating current of coming converts direct current to, and after filtering after, charge a battery; Voltage and current sensing means is had in charging device, and by testing result, and the inverter controller fed back to by wireless communication system by the accumulator parameter of charging device in charging device, inverter controller is according to the voltage of feedback and electric current, and accumulator parameter regulates reverse frequency, make the direct current that obtains by charging device be suitable for charge in batteries.
See Fig. 2, V
1for utility grid, it can be three-phase electricity, also can be two-phase electricity, T
1be the first rectifier bridge, C
1be the first filter capacitor, the first rectifier bridge T
1the direct current that filtering obtains becomes medium frequency alternating current through inverter 1, and two outputs of alternating current are connected with the charging circuit of electric automobile respectively by two different capacitive coupling.A battery lead plate of each electric capacity is on charging device, and be connected with inverter 1 output, another battery lead plate is arranged on the chassis of electric automobile, substantially parallel to the ground, is connected with the charging circuit of electric automobile, and battery lead plate is by insulating sleeve bag quilt.The charging circuit of electric automobile has the second rectifier bridge T in being connected
2, the second filter capacitor C
2, obtain direct voltage accumulators V
2charging.Because electric capacity leads to the characteristic of high frequency, resistance low frequency, the alternating current that inverter 1 exports is coupled to the charging circuit of electric automobile by capacitive field.Because the battery lead plate of electric capacity is by insulating case bag quilt, and voltage is utility grid voltage, does not therefore injure human body, and no matter weather is how, whether the output of charging device is immersed in water, also can not form short circuit, substantially increases the fail safe of charging device and charging process, reliability.And electric capacity is field coupled, energy dissipation is little, and therefore, the charging modes efficiency that the present invention adopts is very high.
Except above-mentioned charging circuit, charging device and electric automobile are equipped with transmission of wireless signals and positional detecting device in addition, and in order to mutual data transmission and instruction, but transmission range is very little, is no more than the distance of a parking stall.The electric current of charging circuit, temperature, electricity and voltage check device electric automobile be also equipped with, and charging instruction switch, this switch can substitute with the button that locks door on automobile key.Press the button closing car door, represent and start charging, if press the button of door opening, then represent charge closing.The battery lead plate of charging device is arranged on one and can moves in parallel among a small circle, on the device that can move up and down.
After parking stall endured by electric automobile, press startup charge button, charging device and electric motor car carry out work by flow process as shown in Figure 3.First electric automobile detects self electricity, if electricity foot, show without the need to again charging, if the existing part of accumulator electric-quantity consumes, then need charging, to ensure to have enough electric energy next time, so send charge request signal to charging device, meanwhile, the voltage parameter of own power source system, current parameters are issued charging device.After charging device receives request signal, the charging device position of detection electric automobile, then move to immediately below it by battery lead plate and connection-peg, after aligned position, upwards jack-up, until battery lead plate is coupled completely, connection-peg connects.Finally, charging is started.
In the process of charging, inverter 1 carries out work under the control of inverter controller.Inverter controller is beamed back according to electric motor car the battery voltage, actual charging voltage and the electric current that come and is carried out control inverter 1.First, inverter frequency is reduced to the lower limit of its frequency range by controller, if electric motor car charging current transfinites and voltage is lower, then directly closes inverter circuit, and prompting electric automobile circuit has problem; If the charging voltage of electric automobile is zero substantially, then illustrate and do not have in capacitive coupling, or problem has appearred in the circuit in charging device, and prompting makes mistakes.Otherwise compare charging voltage and battery voltage, if charging voltage is less than battery voltage, then improve reverse frequency, until charging voltage is a little more than battery voltage, and electric current is in permissible range, otherwise reduce reverse frequency.If receive out code, then close inverter, remove battery lead plate, pull out connection-peg.
Above content is in conjunction with concrete preferred implementation further description made for the present invention; can not assert that the specific embodiment of the present invention is only limitted to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the present invention by submitted to claims determination scope of patent protection.
Claims (10)
1. based on a high-power wireless charging device for field coupled, it is characterized in that: comprise the first rectifier bridge (T
1) and the second rectifier bridge (T
2); Wherein,
First rectifier bridge (T
1) two exchange ends be connected to utility grid (V
1), the first rectifier bridge (T
1) two DC terminal by resistance (R
1) be connected to the first filter capacitor (C in parallel
1) and the two ends of inverter (1), two outputs of inverter (1) connect the first charging device pole plate (2) and the second charging device pole plate (3) of charging device respectively;
Second rectifier bridge (T
2) two DC terminal be connected to the second in parallel filter capacitor (C
2) and storage battery (V
2) two ends, the second rectifier bridge (T
2) two exchange end connect respectively by first of charging device by charging device pole plate (4) and second by charging device pole plate (5);
First charging device pole plate (2), the second charging device pole plate (3), first by charging device pole plate (4) and second, charging device pole plate (5) are all overlapped insulating sleeve (6), during use, first charging device pole plate (2) and first is be arranged in parallel by charging device pole plate (4), and the second charging device pole plate (3) and second is be arranged in parallel by charging device pole plate (5).
2. a kind of high-power wireless charging device based on field coupled according to claim 1, is characterized in that: utility grid (V
1) voltage be three-phase electricity 380V or two-phase electricity 220V.
3. a kind of high-power wireless charging device based on field coupled according to claim 1, is characterized in that: the first filter capacitor (C
1) adopt single parallel plate capacitor or fork-shaped electrode capacitance.
4. a kind of high-power wireless charging device based on field coupled according to claim 1, is characterized in that: the second filter capacitor (C
2) adopt single parallel plate capacitor or fork-shaped electrode capacitance.
5. a kind of high-power wireless charging device based on field coupled according to claim 1, is characterized in that: also comprise and resistance (R
1) in parallel relay (K
1).
6. a kind of high-power wireless charging device based on field coupled according to claim 1, is characterized in that: also comprise transmission of wireless signals and position sensor, miniature location mobile device and controller thereof in charging device, wherein, miniature location mobile device is connected with the second charging device pole plate (3) with the first charging device pole plate (2) on charging device respectively, for adjusting the position of two pole plates, transmission of wireless signals and position sensor are arranged on the centre of two pole plates, also electric current is comprised by charging device, voltage and power testing system, transmission of wireless signals and location aware system and charging instruction switch, electric current, voltage and power testing system are used for obtaining by the electric current of charging device, voltage and electricity, transmission of wireless signals and location aware system to be arranged on by first on charging device by charging device pole plate (4) and second by the centre of charging device pole plate (5), charging device with by the wireless signal transmission system on charging device be used for by obtain by electric current on charging device, voltage and information about power send to charging device, so that charging device carries out FEEDBACK CONTROL, ensure the safety of charging process, location aware system is used for perception charging device and by the position between charging device top crown, as the feedback signal of miniature location mobile device control system, to control the motion of miniature location mobile device.
7. a kind of high-power wireless charging device based on field coupled according to claim 6, is characterized in that: transmission of wireless signals and location aware system adopt ultrasonic wave mode, optical mode or radio wave mode to communicate.
8. a kind of high-power wireless charging device based on field coupled according to claim 6, is characterized in that: also comprised miniature location mobile device and controller thereof by charging device, for adjusting by the position of two pole plates in charging device.
9. the charging method of a kind of high-power wireless charging device based on field coupled according to any one of claim 6 to 8, is characterized in that, comprise following step:
1) charging device Real-Time Monitoring is by the instruction of charging device, if receive charging instruction, then continue to receive by the technical parameter of charging device, comprise permission voltage range, allow current range, rated voltage, rated current, operating temperature range and actual temperature, if in actual temperature in operating temperature range, then the first charging device pole plate (2) of charging device and the second charging device pole plate (3) are docked by charging device pole plate (5) by charging device pole plate (4) and second respectively with by first of charging device, inverter reverse frequency is adjusted to minimum, and start charging,
2) receive by the actual measurement parameter in charging device, comprise electric current, voltage, if charging voltage is too low, lower than the minimum value of charging device output voltage, then close inverter (1), and point out charging device fault, the pole plate comprising charging device with by the pole plate of charging device not to good, connection-peg does not have grafting good, and short circuit appears in the charging circuit of charging device, or input voltage is too low; If voltage is in normal range (NR), then enter step 3);
3) judge that whether charging current is too high, if too high, namely higher than rated current, then close inverter (1), and prompting is by charging device fault, or be there occurs short circuit by the charging circuit in charging device; Otherwise, enter step 4);
4) judge that whether charging voltage is on the low side, whether charging current is higher, if both under rated value, then improves reverse frequency, until one of them reaches rated value, ensures that another is in allowed band simultaneously, otherwise, reduce reverse frequency;
5) whether monitoring receives out code, and whether storage battery charges full, as long as meet one, close inverter (1), shrink miniature location mobile device, remove the first charging device pole plate (2) and the second charging device pole plate (3) of charging device, and extract connection-peg.
10. a kind of high-power wireless charging method based on field coupled according to claim 9, it is characterized in that, in the process of charging, inverter (1) carries out work under the control of inverter controller, specifically, inverter controller carrys out control inverter (1) according to being beamed back the battery tension, actual charging voltage and the electric current that come by charging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410522203.7A CN104283262B (en) | 2014-09-30 | 2014-09-30 | A kind of high-power wireless charging method based on field coupling and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410522203.7A CN104283262B (en) | 2014-09-30 | 2014-09-30 | A kind of high-power wireless charging method based on field coupling and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104283262A true CN104283262A (en) | 2015-01-14 |
| CN104283262B CN104283262B (en) | 2016-08-17 |
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| CN104600821A (en) * | 2015-02-16 | 2015-05-06 | 联想(北京)有限公司 | Electric field charger, power source device and electronic equipment charging method and system |
| CN104810908A (en) * | 2015-05-22 | 2015-07-29 | 石崇源 | Wireless charging electric energy transmitting device, electric energy receiving device and wireless charging system |
| CN104816646A (en) * | 2015-04-02 | 2015-08-05 | 西安交通大学 | Moving-static compatible wireless electric energy transmission system for electric automobile |
| CN104901434A (en) * | 2015-06-02 | 2015-09-09 | 中国民航大学 | Electric vehicle wireless charging and automatic alignment control device based on energy detection |
| CN105940589A (en) * | 2015-06-01 | 2016-09-14 | 广东欧珀移动通信有限公司 | Charging circuit and mobile terminal |
| CN106300498A (en) * | 2015-06-26 | 2017-01-04 | 苏州宝时得电动工具有限公司 | Wireless charging supervising device and method, wireless charging device |
| CN107707007A (en) * | 2017-09-08 | 2018-02-16 | 国网山东省电力公司电力科学研究院 | Wind energy energy storage type wireless charging system and method for overhead transmission line robot |
| CN104979914B (en) * | 2015-06-11 | 2018-05-25 | 昆明理工大学 | A kind of field coupling formula radio energy transmission system |
| CN109050306A (en) * | 2018-08-13 | 2018-12-21 | 浙江大学 | A kind of automobile wireless charging system of intelligent independent positioning and charging |
| CN110398701A (en) * | 2019-08-01 | 2019-11-01 | 珠海市运泰利自动化设备有限公司 | Test equipment and method for wireless charging receiver |
| CN111166231A (en) * | 2018-11-13 | 2020-05-19 | 苏州宝时得电动工具有限公司 | Dust collector and wireless charging device for same |
| CN113852165A (en) * | 2021-09-27 | 2021-12-28 | Oppo广东移动通信有限公司 | Electronic equipment, charging connecting wire and wireless charging equipment assembly |
| CN113852165B (en) * | 2021-09-27 | 2024-05-03 | Oppo广东移动通信有限公司 | Electronic equipment, charging connecting wire and wireless charging equipment assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600821A (en) * | 2015-02-16 | 2015-05-06 | 联想(北京)有限公司 | Electric field charger, power source device and electronic equipment charging method and system |
| CN104816646A (en) * | 2015-04-02 | 2015-08-05 | 西安交通大学 | Moving-static compatible wireless electric energy transmission system for electric automobile |
| CN104810908A (en) * | 2015-05-22 | 2015-07-29 | 石崇源 | Wireless charging electric energy transmitting device, electric energy receiving device and wireless charging system |
| US9960623B2 (en) | 2015-06-01 | 2018-05-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging circuit and mobile terminal |
| WO2016192005A1 (en) * | 2015-06-01 | 2016-12-08 | 广东欧珀移动通信有限公司 | Charging circuit and mobile terminal |
| CN105940589A (en) * | 2015-06-01 | 2016-09-14 | 广东欧珀移动通信有限公司 | Charging circuit and mobile terminal |
| CN109888895A (en) * | 2015-06-01 | 2019-06-14 | 广东欧珀移动通信有限公司 | Charging circuit and mobile terminal |
| CN109888895B (en) * | 2015-06-01 | 2023-01-10 | Oppo广东移动通信有限公司 | Charging circuit and mobile terminal |
| CN104901434A (en) * | 2015-06-02 | 2015-09-09 | 中国民航大学 | Electric vehicle wireless charging and automatic alignment control device based on energy detection |
| CN104979914B (en) * | 2015-06-11 | 2018-05-25 | 昆明理工大学 | A kind of field coupling formula radio energy transmission system |
| CN106300498A (en) * | 2015-06-26 | 2017-01-04 | 苏州宝时得电动工具有限公司 | Wireless charging supervising device and method, wireless charging device |
| CN107707007B (en) * | 2017-09-08 | 2020-07-03 | 国网山东省电力公司电力科学研究院 | Wind energy storage type wireless charging system and method for overhead transmission line robot |
| CN107707007A (en) * | 2017-09-08 | 2018-02-16 | 国网山东省电力公司电力科学研究院 | Wind energy energy storage type wireless charging system and method for overhead transmission line robot |
| CN109050306A (en) * | 2018-08-13 | 2018-12-21 | 浙江大学 | A kind of automobile wireless charging system of intelligent independent positioning and charging |
| CN111166231A (en) * | 2018-11-13 | 2020-05-19 | 苏州宝时得电动工具有限公司 | Dust collector and wireless charging device for same |
| CN110398701A (en) * | 2019-08-01 | 2019-11-01 | 珠海市运泰利自动化设备有限公司 | Test equipment and method for wireless charging receiver |
| CN113852165A (en) * | 2021-09-27 | 2021-12-28 | Oppo广东移动通信有限公司 | Electronic equipment, charging connecting wire and wireless charging equipment assembly |
| CN113852165B (en) * | 2021-09-27 | 2024-05-03 | Oppo广东移动通信有限公司 | Electronic equipment, charging connecting wire and wireless charging equipment assembly |
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